157971276 has 96 divisors (see below), whose sum is σ = 437472000. Its totient is φ = 49123584.

The previous prime is 157971251. The next prime is 157971311. The reversal of 157971276 is 672179751.

157971276 is a `hidden beast` number, since 1 + 579 + 7 + 1 + 2 + 76 = 666.

157971276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254895 + ... + 255513.

It is an arithmetic number, because the mean of its divisors is an integer number (4557000).

Almost surely, 2^157971276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157971276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218736000).

157971276 is an abundant number, since it is smaller than the sum of its proper divisors (279500724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157971276 is a wasteful number, since it uses less digits than its factorization.

157971276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 780 counting only the distinct ones).

The product of its digits is 185220, while the sum is 45.

The square root of 157971276 is about 12568.6624586708. The cubic root of 157971276 is about 540.5792549575.

The spelling of 157971276 in words is "one hundred fifty-seven million, nine hundred seventy-one thousand, two hundred seventy-six".